sigmoid flexure

  1. Zoology. an S-shaped curve in a body part.

  2. Also called sigmoid colon. an S-shaped curve of the large intestine between the descending colon and the rectum.

Origin of sigmoid flexure

First recorded in 1780–90

Words Nearby sigmoid flexure Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use sigmoid flexure in a sentence

British Dictionary definitions for sigmoid flexure

sigmoid flexure

  1. zoology an S-shaped curve, as in the necks of certain birds

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012